rand
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header <stdlib.h>
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|   int rand();  | 
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Returns a uniformly distributed pseudo-random integral value between 0 and RAND_MAX (0 and RAND_MAX included).
srand() should be called before any calls to rand() to initialize the random number generator.
Contents | 
[edit] Parameters
(none)
[edit] Return value
Pseudo-random integral value between 0 and RAND_MAX.
[edit] Example
| This section is incomplete Reason: no example  | 
[edit] See also
|    initializes pseudo-random number generator  (function)  | |
|   C++ documentation for rand 
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